Elementary Physiography: An Introduction to the Study of NatureLongmans, Green & Company, 1899 - 427 σελίδες |
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Αποτελέσματα 1 - 5 από τα 99.
Σελίδα
... IX . OCEAN CURRENTS · 246 X. MAP SHOWING MEAN ANNUAL RAINFALL OF THE EARTH 262 XI . MAP OF THIRLMERE VALLEY , SHOWING CONTOURS AND HACHURES XII . MAGNETIC MAP OF THE EARTH . 295 307 New York Public Library , TRAVELING LIBRARY DEPT . ST.
... IX . OCEAN CURRENTS · 246 X. MAP SHOWING MEAN ANNUAL RAINFALL OF THE EARTH 262 XI . MAP OF THIRLMERE VALLEY , SHOWING CONTOURS AND HACHURES XII . MAGNETIC MAP OF THE EARTH . 295 307 New York Public Library , TRAVELING LIBRARY DEPT . ST.
Σελίδα 4
... means as poundag , filing , etc. Gold can be beaten out into leaves so thin that 300,000 leaves are only an inch thick , while platinum wire has been obtained 5.000.000 of an inch in diameter . In chemistry , however , it is necessary ...
... means as poundag , filing , etc. Gold can be beaten out into leaves so thin that 300,000 leaves are only an inch thick , while platinum wire has been obtained 5.000.000 of an inch in diameter . In chemistry , however , it is necessary ...
Σελίδα 5
... means . By squeezing and hammering a hollow globe of silver filled with water , the liquid has been made to ooze through . A mixture of 27 parts of water and 23 parts of alcohol by volume occupies 48.8 parts , showing that some ...
... means . By squeezing and hammering a hollow globe of silver filled with water , the liquid has been made to ooze through . A mixture of 27 parts of water and 23 parts of alcohol by volume occupies 48.8 parts , showing that some ...
Σελίδα 12
... means of a number and a word naming the unit employed , e.g. 12 yards , 25 grams . Among the most important kinds of quantity to be measured are length , area , volume , mass , time , and angle . Unfortunately , for the first four of ...
... means of a number and a word naming the unit employed , e.g. 12 yards , 25 grams . Among the most important kinds of quantity to be measured are length , area , volume , mass , time , and angle . Unfortunately , for the first four of ...
Σελίδα 17
... mean solar day , and depends on the rotation of the earth . A mean solar day is the average interval of time that elapses between two successive passages of the sun across a meridian ( see par . 263 ) . The Table of Time may be thus ...
... mean solar day , and depends on the rotation of the earth . A mean solar day is the average interval of time that elapses between two successive passages of the sun across a meridian ( see par . 263 ) . The Table of Time may be thus ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acid altitude angle Antarctic Antarctic Circle Arctic Arctic Circle Atlantic atmosphere axis barometer body calcium carbonate called carbon celestial equator celestial sphere centre circle coast currents declination delta density deposits depth distance earth earth's orbit east ecliptic equal equator equatorial equinox evaporation Experiment fall fathoms feet flask force glacier globe heat Hence horizon inches increase iron land latitude lava length liquid magnet mass mercury meridian miles moon motion mountain move needle night north pole Northern Hemisphere OCEAN oxide oxygen parallel particles passing plane position pressure quantity rain rays regions right ascension rise river rocks rotation round side sidereal day silica solar day specific gravity spring stars stream substance sun's surface temperature thermometer Tropic Tropic of Cancer Tropic of Capricorn tube valley vapour velocity vernal equinox vertical volcano weight winds winter zenith
Δημοφιλή αποσπάσματα
Σελίδα 20 - Newton generalized the law of attraction into a statement that every particle of matter in the universe attracts every other particle with a force which varies directly as the product of their masses and inversely as the square of the distance between them; and he thence deduced the law of attraction for spherical shells of constant density.
Σελίδα 37 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Σελίδα 313 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Σελίδα 415 - All the rivers run into the sea; yet the sea is not full; unto the place from whence the rivers come, thither they return again.
Σελίδα 356 - The Ram, the Bull, the heavenly Twins, And next the Crab the Lion shines, The Virgin and the Scales ; The Scorpion, Archer and He-goat, The Man that holds the watering-pot And Fish with glittering tails.
Σελίδα 317 - The zenith distance of a body is its angular distance from the zenith, measured on the vertical circle passing through the body from 0° to 90°. It is the complement of the altitude.
Σελίδα 258 - When there is not enough of clouds and wind to afford this degree of protection, dew begins to form, and by preventing the temperature of any leaf or flower from sinking below the dew-point, saves them all from destruction, unless, as when hoar-frost appears, the dew-point itself is below the freezing-point.